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A139266
as a simple table
n
a(n)
0
1
1
345
2
1562505
3
184783370001360
4
180972102858416484216240
5
221277040503926652746669502425642824
[1,345,1562505,184783370001360, 180972102858416484216240, 221277040503926652746669502425642824]
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Last modified October 2 22:30 EDT 2023. Contains 365841 sequences. (Running on oeis4.)